A Researcher Evaluates the Effectiveness of an Art Class by Having

question 56

Multiple Choice

A researcher evaluates the effectiveness of an art class by having an art expert judge the quality of student's paintings at the beginning of the class,in the middle of the class,and at the end of the class.If the art expert's standards for judgment change during the class,then the internal validity of the study is threatened by

• A)history.
• B)instrumentation.
• C)maturation.
• D)regression toward the mean.

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Definitions:

Statistically Based

Relating to or deriving from the use of statistical methods or principles to analyze or understand data.

Exaggeration

The act of making something more noticeable or prominent than it actually is, often by overstating or enlarging the facts.

Hormone Treatment

The use of hormones in medical therapy to treat or alleviate symptoms of conditions such as hormonal imbalances, menopause, or certain cancers.

Defective Gene

A gene that has a mutation or alteration, leading to a malfunctioning protein that can cause genetic disorders.